Sudoku 10,000 10,000 unique puzzles. 5 Levels of difficulty. 3 Bonus Levels. Trial Version Sudoku 10,000 is so named because we have included 10,000 unique puzzles to solve (full version). There are 5 levels of difficulty plus 3 bonus levels. This trial contains 2 puzzles for each level to give you an opportunity to explore. If you enjoy this, then please consider purchasing the full version.